Home / 103,612.11-155,437.61-33,472.59

Finding the Fourth Proportional to 103,612.11, 155,437.61 and 33,472.59

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Solution

The fourth proportional to 103,612.11, 155,437.61 and 33,472.59 is: 50,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612.11 : 155,437.61 = 33,472.59 : x
  2. Step 2: Convert to fraction form
    103,612.11/155,437.61 = 33,472.59/x
  3. Step 3: Cross multiply
    103,612.11x = 155,437.61 × 33,472.59
  4. Step 4: Simplify right side
    103,612.11x = 5,202,899,222.75
  5. Step 5: Solve for x
    x = 5,202,899,222.75/103,612.11
  6. Step 6: Final answer
    x = 50,215.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.